VW Dieselgate one year later: what have we learned about diesel cars?

John Voelcker 369 views Sep 26, 2016 Follow John Add to circle Volkswagen TDI 'clean diesel' television ad screencap Enlarge Photo It's now a year and eight days since the EPA broke the news that Volkswagen had admitted to including "defeat device" software in almost half a million so-called "clean diesel" vehicles sold in the U.S. from 2009 through 2015. That software detected when the cars were undergoing laboratory tests, and kept their emissions within legal limits during those tests, only to bypass the routines when the cars were on the open road. The result was massive noncompliance with U.S. emission laws, and emissions of nitrogen oxides up to 38 times the legal limits. DON'T MISS: Volkswagen diesel scandal - our complete coverage Since that time, the VW diesel scandal has expanded in ways perhaps inconceivable that first day. And it continues to ricochet around bo...